Search any question & find its solution
Question:
Answered & Verified by Expert
A body attached to one end of a string performs motion along a vertical circle. Its centripetal acceleration, when the string is horizontal, will be [ $\mathrm{g}$ = acceleration due to gravity]
Options:
Solution:
1537 Upvotes
Verified Answer
The correct answer is:
3g
When string is horizontal its speed is given by
$$
\begin{aligned}
& \mathrm{V}=\sqrt{3 \mathrm{gr}} \\
& \text { Centripetal acceleration }=\frac{\mathrm{V}^2}{\mathrm{r}}=3 \mathrm{~g}
\end{aligned}
$$
$$
\begin{aligned}
& \mathrm{V}=\sqrt{3 \mathrm{gr}} \\
& \text { Centripetal acceleration }=\frac{\mathrm{V}^2}{\mathrm{r}}=3 \mathrm{~g}
\end{aligned}
$$
Looking for more such questions to practice?
Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.